Race2026 cycle · RunoffsElection day 3 Nov 2026Updated

Cite this page

DonorAlpha, “New York 21st District general 2026”, https://donoralpha.com/races/new-york-21st-district-general-2026?e=c2026&el=runoff, updated .

New York 21st District general 2026

No. 275 of 527 House races in the 2026 cycle

This race is in the 2026 general election.

The short version

In the 2026 New York 21st District general election, 4 outside groups spent $68,591: $23,316 supporting Blake Gendebien (D), $40,000 opposing Blake Gendebien and $5,275 opposing Anthony Constantino (R).

$68,591

outside money

supporting Blake Gendebien (D)
$23,316
opposing Blake Gendebien (D)
$40,000
opposing Anthony Constantino (R)
$5,275

Result not in yet

Election day is 3 Nov 2026.

  • Blake Gendebien

    Democrat

    Waiting for the count

  • Anthony Constantino

    Republican

    Waiting for the count

Outside money supporting and opposing each candidate

Both sides on one scale
← OpposingSupporting →
  • Blake Gendebien Democrat

    $40,000
    $23,316

    $23,316 supporting Blake Gendebien · $40,000 opposing Blake Gendebien

  • Anthony Constantino Republican

    $5,275

    $5,275 opposing Anthony Constantino

The long version

The candidates

What each candidate’s own campaign raised, beside what outside groups spent supporting and opposing them, and what party committees spent working with the campaign.

Week by week

Outside money each week, supporting and opposing the candidates, all candidates combined.

Week of 21 Sep 2026

Supporting $7,171

Supporting candidatesOpposing candidates

The groups on each side

The biggest outside groups in this race, by what they spent supporting or opposing each candidate.

Spent supporting a candidate

  1. Rural Freedom Networksupporting Blake Gendebien$22,568
  2. Activate Americasupporting Blake Gendebien$738
  3. Sierra Club Independent Actionsupporting Blake Gendebien$10

Spent opposing a candidate

  1. Save American Freedomopposing Blake Gendebien$40,000
  2. Rural Freedom Networkopposing Anthony Constantino$5,275

Who’s connected to whom

The groups that spent supporting or opposing the candidates.

Their biggest giversGroups that spentCandidatesSave American Freedom spent $40,000 opposing Blake Gendebien · $40,000Rural Freedom Network spent $22,568 supporting Blake Gendebien · $22,568Rural Freedom Network spent $5,275 opposing Anthony Constantino · $5,275Activate America spent $738 supporting Blake Gendebien · $738Sierra Club Independent Action spent $10 supporting Blake Gendebien · $10Commonsense Policy in Action gave $720K to Save American Freedom · $720KHoosier Leadership for America (MA) gave $30,000 to Save American Freedom · $30,000Berkshire Brigades PAC gave $3,090 to Rural Freedom Network · $3,090Four Freedoms Coalition gave $606 to Rural Freedom Network · $606Vote Rev Action Fund gave $11,875 to Activate America · $11,875We Build Progress gave $2,750 to Activate America · $2,750Commonsense Policy in ActionCommonsense Policy in ActionCompany or group · $720KHoosier Leadership forAmerica (MA)Hoosier Leadership for America (MA)Company or group · $30,000Berkshire Brigades PACBerkshire Brigades PACCompany or group · $3,090Four Freedoms CoalitionFour Freedoms CoalitionCompany or group · $606Vote Rev Action FundVote Rev Action FundCompany or group · $11,875We Build ProgressWe Build ProgressCompany or group · $2,750Save American FreedomSave American FreedomGroup · $40,000Rural Freedom NetworkRural Freedom NetworkGroup · $27,843Activate AmericaActivate AmericaGroup · $738Sierra Club IndependentActionSierra Club Independent ActionGroup · $10Blake GendebienBlake GendebienCandidate · $63,316Anthony ConstantinoAnthony ConstantinoCandidate · $5,275
  • Save American Freedom spent opposing Blake Gendebien · $40,000
  • Rural Freedom Network spent supporting Blake Gendebien · $22,568
  • Rural Freedom Network spent opposing Anthony Constantino · $5,275
  • Activate America spent supporting Blake Gendebien · $738
  • Sierra Club Independent Action spent supporting Blake Gendebien · $10
  • Commonsense Policy in Action gave to Save American Freedom · $720K
  • Hoosier Leadership for America (MA) gave to Save American Freedom · $30,000
  • Berkshire Brigades PAC gave to Rural Freedom Network · $3,090
  • Four Freedoms Coalition gave to Rural Freedom Network · $606
  • Vote Rev Action Fund gave to Activate America · $11,875
  • We Build Progress gave to Activate America · $2,750
GaveSpent supportingSpent opposingSwipe to see the whole map.

Group

Save American Freedom

  • Save American Freedom spent $40,000 opposing Blake Gendebien$40,000
  • Commonsense Policy in Action gave $720K to Save American Freedom$720K
  • Hoosier Leadership for America (MA) gave $30,000 to Save American Freedom$30,000

Polls

Every poll of this race on one timeline.

The average of 2 polls to 17 Aug 2026 has Anthony Constantino at 46.0% and Blake Gendebien at 41.5%.

2polls in the average

polls of this race
2
pollsters
2

Blake GendebienAnthony Constantino

J.L. Partners15 Aug to 17 Aug 2026 · 500 likely voters
DemocraticBlake Gendebien40.0%
RepublicanAnthony Constantino53.0%

Point at a dot, or tab in and use the arrow keys

Every poll, newest first

  1. 17 Aug ’26J.L. Partners 15 Aug to 17 Aug 2026 · 500 likely votersBlake Gendebien 40.0%Anthony Constantino 53.0%
  2. 8 Aug ’26SurveyUSA 4 Aug to 8 Aug 2026 · 800 adultsBlake Gendebien 43.0%Anthony Constantino 39.0%Chris Schmidt 5.0%
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